A deaerator for power plant equipment

Abstract

The utility model discloses a deaerator for power plant equipment, including deaerator water tank, the deaerator water tank upper end face is provided with deaerator body, the deaerator water tank fixedly links with two fixed rings, the fixed ring rotation is connected with the support ring, the support ring fixedly links with the support seat, the downside of fixed ring is fixedly linked with arc gear rack, two the support ring between rotation is connected with the rotating link, the support ring bottom is provided with the through slot, the rotating link fixedly links with two gear, the gear is located in the through slot of support ring, the gear with adjacent arc gear rack engages, left side support seat is provided with drive structure, the support ring is provided with limit structure. The utility model discloses through drive handle rotation, under the effect of speed reducer transmission box, has reduced the external force required when driving deaerator water tank rotation, has reduced the construction difficulty, and has improved the control precision.

Description

Technical Field

[0001] This utility model relates to the field of deaerator technology, and more specifically, to a deaerator for power plant equipment. Background Technology

[0002] In power plant boilers, dissolved oxygen poses a significant threat to water quality. It accelerates equipment corrosion, causes desalination, and promotes scale formation, severely impacting boiler efficiency and lifespan. Therefore, deaerators are widely used in power plants. Their core function is to efficiently remove oxygen from the water, improving feedwater purity and providing crucial support for the sustained and reliable operation of power plant equipment.

[0003] Utility model patent application publication number CN202323669247.6 discloses a deaerator for power plant equipment, including a deaerator body. Support rings are connected to both ends of the deaerator body, and threaded contact elements are threaded onto the support rings. These contact elements abut against the deaerator body. This utility model design allows the deaerator body to rotate in both directions on the support rings when maintenance is required at the bottom, facilitating maintenance and improving efficiency. A movable element fixedly connected to the support rings allows for convenient overall movement, while a positioning element keeps the deaerator body stationary during use, ensuring stable operation.

[0004] Although the above-mentioned device can change the position of the deaerator, the following problems still exist in its use:

[0005] 1. The above-mentioned device is not equipped with any mechanical drive mechanism, and relies solely on manual labor to rotate the large and heavy deaerator along the support ring. The operation process is extremely laborious and difficult to control precisely. It is very easy for the deaerator to accelerate unexpectedly, tip over, or collide due to uneven force or loss of control, causing serious damage to the equipment or even endangering the personal safety of the operators.

[0006] 2. A simple contact element is used to fix the angle position of the deaerator. This limiting method provides weak constraint and lacks a self-locking function, making it prone to failure and loosening under the weight of the equipment, slight external forces, or vibrations. Once loosened, the deaerator may rotate unexpectedly, disrupting the predetermined working angle and posing an operational risk.

[0007] 3. The deaerator's rotation range is limited by the hard impact between the limiting block and the support ring. When the heavy deaerator impacts the limiting block due to inertia or operational error, the instantaneous huge impact force is converted into severe vibration and stress. This repeated rigid impact can easily damage the deaerator's main structure, internal components, or connecting pipelines, shortening the equipment's lifespan.

[0008] Therefore, there is an urgent need for a deaerator for power plant equipment. Utility Model Content

[0009] (a) Technical problems to be solved

[0010] In view of the problems existing in the prior art, this utility model provides a deaerator for power plant equipment to solve the technical problem of the difficulty in controlling the deaerator mentioned in the background art.

[0011] (II) Technical Solution

[0012] To achieve the above objectives, this utility model provides the following technical solution: a deaerator for power plant equipment, comprising a deaerator water tank, a deaerator body disposed on the upper end face of the deaerator water tank, two fixed rings fixedly connected to the deaerator water tank, a support ring rotatably connected to the fixed rings, a support seat fixedly connected to the support rings, an arc-shaped rack fixedly connected to the lower side of the fixed rings, a rotating rod rotatably connected between the two support rings, a through groove disposed at the bottom of the support rings, two gears fixedly connected to the rotating rods, the gears being located within the through grooves of the support rings, the gears meshing with the adjacent arc-shaped racks, a driving structure disposed on the left support seat, and a limit structure disposed on the support rings.

[0013] The present invention is further configured such that the driving structure includes a reduction gearbox, the reduction gearbox is fixedly connected to the support base on the left side, the output end of the reduction gearbox is fixedly connected to the rotating rod, and the input end of the reduction gearbox is fixedly connected to a worm gear.

[0014] The present invention is further configured such that a worm gear is rotatably connected to the support base on the left side, the worm gear meshes with the worm wheel, and a handle is fixedly connected to the worm gear.

[0015] The present invention is further configured such that the limiting structure includes a limiting rod, the supporting ring is provided with an arc-shaped through groove, the limiting rod is fixed to the fixed ring, and the limiting rod slides within the adjacent arc-shaped through groove.

[0016] The present invention is further configured such that the support ring is fixedly connected to a fixing block, the fixing block is slidably connected to an arc-shaped rod, the arc-shaped rod is fixedly connected to a limit shell, and an elastic element is fixedly connected between the arc-shaped rod and the fixing block.

[0017] The present invention is further configured such that the limiting shell is provided with a semi-circular groove, and the limiting shell is in limiting cooperation with the adjacent limiting rod.

[0018] (III) Beneficial Effects

[0019] Compared with the prior art, this utility model provides a deaerator for power plant equipment, which has the following beneficial effects:

[0020] 1. This utility model reduces the external force required to drive the deaerator water tank to rotate by driving the handle to rotate, which is achieved through the action of the reduction gearbox. This reduces the difficulty of construction and improves the control precision.

[0021] 2. This utility model uses a worm gear and worm wheel to lock the output end of the reduction gearbox, thereby improving the stability of the deaerator water tank during operation and maintenance, and enhancing its safety.

[0022] 3. This utility model limits the adjacent limiting rods by using a limiting shell, so that the elastic element is stretched, reducing the impact force between the limiting rod and the support ring, and preventing the vibration generated by the impact force from damaging the deaerator body. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the front structure of a deaerator for power plant equipment according to the present invention;

[0024] Figure 2 This is a schematic diagram of the support base and the reduction gearbox in this utility model;

[0025] Figure 3 This is a cross-sectional view of the support ring in this utility model;

[0026] Figure 4 This is a schematic diagram of the worm gear and worm in this utility model;

[0027] Figure 5 This is a schematic diagram of the support ring and limiting rod in this utility model;

[0028] Figure 6 This is a schematic diagram of the arc-shaped rod and the limiting shell in this utility model.

[0029] In the diagram: 1. Deaerator water tank; 2. Deaerator body; 3. Fixing ring; 4. Support ring; 5. Support base; 6. Arc-shaped rack; 7. Rotating rod; 8. Gear; 9. Reduction gearbox; 10. Worm gear; 11. Worm; 12. Handle; 13. Arc-shaped through groove; 14. Limiting rod; 15. Fixing block; 16. Arc-shaped rod; 17. Limiting shell; 18. Elastic element. Detailed Implementation

[0030] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0031] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0032] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0033] Please see Figures 1-6 A deaerator for power plant equipment includes a deaerator water tank 1. A deaerator body 2 is provided on the upper end face of the deaerator water tank 1. Two fixed rings 3 are fixedly connected to the deaerator water tank 1. Support rings 4 are rotatably connected to the fixed rings 3. Support seats 5 are fixedly connected to the support rings 4. An arc-shaped rack 6 is fixedly connected to the lower side of the fixed rings 3. A rotating rod 7 is rotatably connected between the two support rings 4. A through groove is provided at the bottom of the support ring 4. Two gears 8 are fixedly connected to the rotating rod 7. The gears 8 are located in the through groove of the support ring 4 and mesh with the adjacent arc-shaped rack 6. A driving structure is provided on the left support seat 5. A limit structure is provided on the support ring 4.

[0034] Please see Figure 4 The drive structure includes a reduction gearbox 9, which is fixedly connected to the support seat 5 on the left side. The output end of the reduction gearbox 9 is fixedly connected to the rotating rod 7, and the input end of the reduction gearbox 9 is fixedly connected to the worm gear 10. The support seat 5 on the left side is rotatably connected to a worm 11, which meshes with the worm gear 10. A handle 12 is fixedly connected to the worm 11.

[0035] Please see Figure 5 and Figure 6 The limiting structure includes a limiting rod 14, a support ring 4 with an arc-shaped through groove 13, the limiting rod 14 being fixed to a fixed ring 3, and the limiting rod 14 sliding within an adjacent arc-shaped through groove 13; a fixed block 15 being fixed to the support ring 4, an arc-shaped rod 16 being slidably connected to the fixed block 15, a limiting shell 17 being fixed to the arc-shaped rod 16, and an elastic element 18 being fixed between the arc-shaped rod 16 and the fixed block 15; the limiting shell 17 having a semi-circular groove, and the limiting shell 17 engaging with the adjacent limiting rod 14.

[0036] Working principle: When the bottom of the deaerator water tank 1 needs to be inspected, the handle 12 is rotated circumferentially. The handle 12 drives the worm gear 11 to rotate, which in turn drives the worm wheel 10 to rotate circumferentially. The worm wheel 10 drives the input end of the reduction gearbox 9 to rotate, thereby causing the output end of the reduction gearbox 9 to rotate slowly circumferentially. The output end of the reduction gearbox 9 drives the rotating rod 7 to rotate along the lower side of the two support rings 4. At the same time, the two gears 8 rotate synchronously with the rotating rod 7. The gears 8 are transmitted through the adjacent arc-shaped rack 6, causing the fixed ring 3 to drive the deaerator water tank 1 to rotate circumferentially along the two support rings 4 until the deaerator water tank 1 rotates to a suitable angle. Then, the handle 12 is stopped. By driving the handle 12 to rotate, the external force required to drive the deaerator water tank 1 to rotate is reduced under the action of the reduction gearbox 9, reducing the difficulty of construction. Furthermore, through the cooperation of the worm wheel 10 and the worm gear 11, the output end of the reduction gearbox 9 is locked, thereby improving the stability of the deaerator water tank 1 during operation and maintenance, and improving the safety of use.

[0037] During the rotation of the fixed ring 3 along the support ring 4, the limiting rod 14 slides along the arc-shaped groove 13. However, during the circumferential rotation of the deaerator water tank 1, it becomes uncontrolled. At this time, the limiting rod 14 slides along the arc-shaped groove 13, and the arc-shaped groove 13 limits the limiting rod 14, preventing excessive rotation of the deaerator water tank 1. During the above process...

[0038] When the limiting rod 14 contacts the limiting shell 17, the limiting rod 14 drives the limiting shell 17 to move, and the limiting shell 17 drives the arc rod 16 to slide along the adjacent fixed block 15. At the same time, the elastic element 18 is stretched to reduce the impact force between the limiting rod 14 and the support ring 4, and prevent the vibration generated by the impact force from damaging the deaerator body 2.

[0039] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A deaerator for power plant equipment, comprising a deaerator water tank (1), wherein a deaerator body (2) is disposed on the upper surface of the deaerator water tank (1), characterized in that: The deaerator water tank (1) is fixed with two fixed rings (3), the fixed rings (3) are rotatably connected to a support ring (4), the support rings (4) are fixedly connected to a support seat (5), the lower side of the fixed rings (3) is fixedly connected to an arc rack (6), the two support rings (4) are rotatably connected to a rotating rod (7), the bottom of the support rings (4) is provided with a through groove, the rotating rod (7) is fixedly connected to two gears (8), the gears (8) are located in the through groove of the support rings (4), the gears (8) mesh with the adjacent arc racks (6), the support seat (5) on the left side is provided with a driving structure, and the support rings (4) are provided with a limiting structure.

2. A deaerator for power plant equipment according to claim 1, characterized in that: The drive structure includes a speed reduction gearbox (9), which is fixedly connected to the support base (5) on the left side. The output end of the speed reduction gearbox (9) is fixedly connected to the rotating rod (7), and the input end of the speed reduction gearbox (9) is fixedly connected to a worm gear (10).

3. A deaerator for power plant equipment according to claim 2, characterized in that: The support base (5) on the left side is rotatably connected to a worm (11), which meshes with the worm wheel (10), and a handle (12) is fixedly connected to the worm (11).

4. A deaerator for power plant equipment according to claim 1, characterized in that: The limiting structure includes a limiting rod (14), the support ring (4) is provided with an arc-shaped through groove (13), the limiting rod (14) is fixed to the fixed ring (3), and the limiting rod (14) slides within the adjacent arc-shaped through groove (13).

5. A deaerator for power plant equipment according to claim 4, characterized in that: The support ring (4) is fixedly connected to a fixing block (15), the fixing block (15) is slidably connected to an arc-shaped rod (16), the arc-shaped rod (16) is fixedly connected to a limiting shell (17), and an elastic element (18) is fixedly connected between the arc-shaped rod (16) and the fixing block (15).

6. A deaerator for power plant equipment according to claim 5, characterized in that: The limiting shell (17) is provided with a semi-circular groove, and the limiting shell (17) is in a limiting fit with the adjacent limiting rod (14).

Images